DPWH Standard Specifications for BY Bio-Engineering Products and Solutions, Item 519. Category: Department OrderSub Category: construction-materialsSeries: 2008No: 28File: DO_028_S2008.pdfDate: Wednesday, May 14, 2008Tags: Standard 028 Specifications BY Bio-Engineering Products SolutionsItem 518 materials Read more about DPWH Standard Specifications for BY Bio-Engineering Products and Solutions, Item 519.
